//for the cessna skylane(CP-1): b=10.912;//wingspan(meter) S=16.165;//wingarea(m^2) AR=b^2/S;//aspect ratio D=1.225;//density at sea level Cdo=0.025;//parasite drag coefficient e=0.8;//oswald efficiency factor Pf=0.8;//propeller efficiency V = linspace(20,400,500);//velocity over which we have to find Power(20 to 400 m/s and over 500 points)